What is the best website to learn html css and other programming language?

W3schools is the best way to learn Basic programming skills

The best one for start up is http://www.w3schools.com/

and then http://www.sitepoint.com/ and www.tutorialspoint.com

HTML5,CSS3,Jquery,PHP : http://www.w3schools.com/

Java J2ee:(top 20 web site list) youtube - Durga Software Solutions videos

http://www.mkyong.com/featured/top-20-java-websites/

Spring/Hibernate : youtube - Java Brains koushik videos with examples.

Hadoop : Youtube Edureka videos 

http://www.microsoftvirtualacademy.com/

http://www.w3schools.com/ is best for html & CSS. And for Java, C#, C++, Python, SQL, Android www.tutorialspoint.com is very helpful